نتایج جستجو برای: specific cutaneous lesion
تعداد نتایج: 1170052 فیلتر نتایج به سال:
A variety of pathologic variants of cutaneous squamous cell carcinoma (SCC) has been reported, and the signet-ring variant of cutaneous SCC is extremely uncommon. We reported an 83-year-old man with signet-ring SCC arising on the back of the finger. As far as we know, only 4 cases have been described in detail, and one dermatopathologic report focused on the presence of signet-ring cells briefl...
A cutaneous horn is a rare, hyperkeratotic, projecting lesion that can be mostly found in sun-exposed areas of the skin. The base lesions reveal an underlying malignancy. They also associated with several benign or pre-malignant dermatologic conditions. biopsy and histopathological analysis are needed to confirm diagnosis. Management depends on disease; however, surgical excision preferred trea...
Dermoscopy is a non-invasive technique widely used to aid in the characterization and diagnosis of pigmented skin lesions. Recently, it has also been employed for the evaluation of non-pigmented skin tumours, and inflammatory and infectious cutaneous diseases. Although the diagnosis of cutaneous leishmaniasis is confirmed by the demonstration of amastigotes in infected skin or by the growth of ...
Rosai-Dorfman disease (sinus histiocytosis with massive lymphadenopathy) is a benign systemic proliferative disorder of histiocytes resembling the sinus histiocytes of lymph nodes. The typical clinical features of this disease include bilateral painless lymphadenopathy, fever, and polyclonal hyperglobulinaemia. The condition may present with extranodal involvement in 43% of cases, and cutaneous...
BACKGROUND Primary cutaneous melanoma of the breast is a very rare tumour, accounting for < 5% of all malignant melanomas. CASE PRESENTATION A young lady was seen in the breast clinic for a skin lesion in the right breast. Clinical examination and investigations confirmed a diagnosis of a primary cutaneous melanoma of the breast. The lesion was excised and the patient made good recovery. She ...
Mycosis fungoides (MF) is the most frequent type of primary cutaneous T-cell/NK-cell lymphoma. The Koebner phenomenon is defined as the appearance of cutaneous lesions on previously noninvolved skin following trauma and is observed in a series of cutaneous diseases including psoriasis, lichen planus, viral warts, molluscum contagiosum, etc. In this case report, 3 patients with longstanding MF a...
Sporotrichosis is the most prevalent subcutaneous mycosis and is characterized by a subacute or chronic development of a cutaneous or subcutaneous nodular lesion. It is caused by the dimorphic fungus Sporothrix spp, which may manifest in different clinical forms. The disseminated cutaneous form is uncommon and is more likely to occur in immunocompromised patients. We report a 47-year-old male p...
Cutaneous horns are usually found on chronic sun-damaged skin. A cutaneous horn is a rare tumour, often conical, circumscribed, and composed of dead keratin usually derived from base keratinocytes. It occurs mainly in association with underlying benign, premalignant, and malignant cutaneous diseases. The commonest malignancy is squamous cell carcinoma. Thus, to accurately ascertain the nature o...
UNLABELLED Langerhans cell sarcoma (LCS) typically presents as cytologic atypia and clinical aggressiveness and may involve multiple organs during the progression of the disease. Primary skin LCS without any extra-cutaneous site association is extremely rare and only a few such cases have been described in the literature. We present a case of unusual primary LCS in skin occurring in a middle-ag...
a 42-year-old male with history of hcv, presented with cutaneous lesions which were initiated from 2 weeks ago. lesions presented with tenderness and red bulla in anterior aspect of left leg. the lesion gradually began to rupture and desquamation. patient had similar lesions during the last year. hyperpigmentation in old lesions was seen. porphyria cutanea tarda was suspected. diagnosis was con...
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